Nijenhuis, A., & Wilf, H. S. (1978). Combinatorial algorithms: For computer and calculators (2a. ed.). Academic Press.
Chicago Style (17th ed.) CitationNijenhuis, Albert, and Herbert S. Wilf. Combinatorial Algorithms: For Computer and Calculators. 2a. ed. Orlando: Academic Press, 1978.
MLA (9th ed.) CitationNijenhuis, Albert, and Herbert S. Wilf. Combinatorial Algorithms: For Computer and Calculators. 2a. ed. Academic Press, 1978.